Year	including construction (current US$)
1997	6831739432119.531
1998	6736767527302.177
1999	7028618896362.647
2000	7200510694550.313
2001	6845696401552.267
2002	6947012160075.569
2003	7736340864018.721
2004	8659593234118.822
2005	9193624346255.508
2006	9784856010825.977
2007	10651631071416.531
2008	11179483196211.627
2009	9769560472479.934
2010	10459274786820.604
2011	11296860060952.121
2012	11186949168992.842
2013	11226446476183.424
2014	11435358614365.621
2015	10564630446598.723
2016	10620765011980.453
2017	11236456599601.586
2018	11943043569583.19
2019	11871455334474.346
2020	11353339921279.908
2021	12825673911801.607